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Identification_Information:

  Citation:
    Citation_Information:
      Originator: U.S. Geological Survey (USGS) , Coastal and Marine Geology Program (CMGP) 
      Publication_Date: 20131029
      Title:
        Geophysical data of field activity L-2-75-NP in Gulf of
        Alaska from 08/25/1975 to 09/04/1975
      Publication_Information:
        Publisher: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Publication_Place: Menlo Park, CA
      Online_Linkage: http://walrus.wr.usgs.gov/infobank/gos/l-2-75-np.fmeta.xml
      Online_Linkage: http://walrus.wr.usgs.gov/infobank/l/l275np/html/l-2-75-np.meta.html

  Description:
    Abstract:
      Chief Scientist: Dave Scholl. Geophysical data (gravity,
      3dot5khz, airgun, Burgairgun, gradiometer, dopplersonar,
      integratednavigation, transitsatellite, Burgsparker) of field
      activity L-2-75-NP in Gulf of Alaska from 08/25/1975 to
      09/04/1975,
      http://walrus.wr.usgs.gov/infobank/l/l275np/html/l-2-75-np.meta.html.

    Purpose:
      These data and information are intended for science
      researchers, students from elementary through
      college, policy makers, and general public.

    Supplemental_Information:

      Equipment Used -

      gravity

      3dot5khz                      3.5 khz bathymetry

      airgun                        single-channel airgun

      Burgairgun

      gradiometer

      dopplersonar

      integratednavigation

      transitsatellite

      Burgsparker


      Similar information is available for thousands
      of other USGS/CMG-related Activities.

      If known, available are Activity-specific
      navigation, gravity, magnetics, bathymetry,
      seismic, and sampling data; track maps; and
      equipment information; as well as summary
      overviews, crew lists, and information
      about analog materials.

      If available, access to physical samples is
      described in the "WR CMG Sample Distribution
      Policy" at:
      http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html

      Primary access to the USGS/CMG Information
      Bank's digital data, analog data, and
      metadata is provided through...
      http://walrus.wr.usgs.gov/infobank/

      This page accomodates a variety of search
      approaches (e.g., by platform, by region,
      by scientist, by equipment type, etc.).

  Time_Period_of_Content:
    Time_Period_Information:
      Range_of_Dates/Times:
        Beginning_Date: 19750825
        Ending_Date: 19750904

    Currentness_Reference: ground condition

  Status:
    Progress: Complete
    Maintenance_and_Update_Frequency: As needed

  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -166.49365
      East_Bounding_Coordinate: -122.66299
      North_Bounding_Coordinate: 54.63333
      South_Bounding_Coordinate: 37.77899

  Keywords:
    Theme:
      Theme_Keyword_Thesaurus: ISO 19115 Topic Category
      Theme_Keyword: geoscientificinformation
      Theme_Keyword: oceans
    Theme:
      Theme_Keyword_Thesaurus: Global Change Master Directory (GCMD)
      Theme_Keyword: EARTH SCIENCE > OCEANS
    Theme:
      Theme_Keyword_Thesaurus: USGS CMG InfoBank
      Theme_Keyword: Marine Geology
      Theme_Keyword: Marine Geophysics
      Theme_Keyword: Marine Gravity Field
      Theme_Keyword: Marine Magnetic Field
      Theme_Keyword: Magnetic Anomalies
      Theme_Keyword: Bathymetry
      Theme_Keyword: Water Depth
      Theme_Keyword: Seafloor Topography
      Theme_Keyword: Marine Seismic

    Place:
      Place_Keyword_Thesaurus: USGS CMG InfoBank
      Place_Keyword: Gulf of Alaska
      Place_Keyword: North Pacific Ocean
      Place_Keyword: Northern Pacific Ocean


  Access_Constraints:
    Physical materials are under controlled on-site access.

    If available, access to physical samples is described
    in the "WR CMG Sample Distribution Policy" at:
    http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html

  Use_Constraints:
    Please recognize the U.S. Geological Survey (USGS) as
    the source of this information.

    Physical materials are under controlled on-site access.

    Some USGS information accessed through this means
    may be preliminary in nature and presented without
    the approval of the Director of the USGS.  This
    information is provided with the understanding
    that it is not guaranteed to be correct or complete
    and conclusions drawn from such information are
    the responsibility of the user.

    This information is not intended for navigational
    purposes.

    Any use of trade, firm, or product names is for
    descriptive purposes only and does not imply
    endorsement by the U.S. Government.

  Point_of_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Contact_Person: Clint Steele 

      Contact_Position: InfoBank Group Leader 

      Contact_Address:
        Address_Type: mailing and physical address
        Address: USGS, MailStop 999, 345 Middlefield Road
        City: Menlo Park
        State_or_Province: CA
        Postal_Code: 94025-3561
        Country: USA

      Contact_Voice_Telephone: (650) 329-5055
      Contact_Facsimile_Telephone: (650) 329-5190

      Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 


  Data_Set_Credit:
    Byron Ruppel (Geophysicist);
    Dave Scholl (Chief Scientist);
    Don Tompkins (Geophysicist);
    Graig McHendrie (Geophysicist);
    John Howell (Geophysicist);
    Keith Wilson (Geophysicist);
    Pamela Smith (Dafe Curator);
    Tom Atkins (Watchstander)

  Native_Data_Set_Environment: Digital, ASCII
  Cross_Reference:
    Citation_Information:
      Originator: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
      Publication_Date: Unknown
      Title: USGS/CMG Information Bank 
      Publication_Information:
        Publisher: U.S. Geological Survey (USGS)  Coastal and Marine Geology (CMG) 
        Publication_Place: Menlo Park, CA
      Online_Linkage: http://walrus.wr.usgs.gov/infobank/



Data_Quality_Information:

  Attribute_Accuracy:
    Attribute_Accuracy_Report: Identified as best available version.

  Logical_Consistency_Report: Unspecified

  Completeness_Report:
    Start and end date/times of data
    >Navigation Data (l-2-75-np.051 [SINS])
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >197508252252000    197508301518000
    >197508301606000    197508301708000
    >197508301754000    197508301918000
    >197508302002000    197508310031000
    >197508310134000    197508310500000
    >197508310546000    197508310546000
    >197508310730000    197508310730000
    >197508310814000    197508310918000
    >197508311108000    197508311601000
    >197508311720000    197508311812000
    >197508311938000    197508312318000
    >197509010001000    197509010001000
    >197509010102000    197509010102000
    >197509010301000    197509010424000
    >197509010532000    197509010738000
    >197509010828000    197509011028000
    >197509011112000    197509011535000
    >197509011618000    197509011702000
    >197509011744000    197509011814000
    >197509011856000    197509011918000
    >197509012008000    197509012048000
    >197509012130000    197509012300000
    >197509020003000    197509020526000
    >197509020612000    197509020632000
    >197509020716000    197509020716000
    >197509020808000    197509020828000
    >197509020910000    197509020936000
    >197509021020000    197509021631000
    >197509021716000    197509021816000
    >197509021900000    197509022000000
    >197509022112000    197509022132000
    >197509022214000    197509022214000
    >197509022300000    197509022300000
    >197509022342000    197509030030000
    >197509030129000    197509030400000
    >197509030446000    197509030502000
    >197509030556000    197509030804000
    >197509030852000    197509031016000
    >197509031100000    197509031206000
    >197509031252000    197509031500000
    >197509031607000    197509031607000
    >197509031700000    197509040200000
    >197509040302000    197509040401000
    >197509040500000    197509040531000
    >197509040618000    197509040746000
    >197509040832000    197509040938000
    >197509041020000    197509041334000
    >197509041431000    197509041500000
    >197509041600000    197509041600000
    >197509041702000    197509041958000
    >197509042050000    197509042150000
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >Magnetics Data (l-2-75-np.220_051)
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >197508252255320    197508270253040
    >197508270258530    197508271629350
    >197508271635350    197508280200350
    >197508280234410    197508280626470
    >197508280632140    197508291855480
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >Bathymetry Data (l-2-75-np.335_051)
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >197509022301060    197509022301060
    >197509022327360    197509022327360
    >197509022353000    197509022353000
    >197509030018300    197509030018300
    >197509030053240    197509030053240
    >197509030121480    197509030121480
    >197509030152420    197509030152420
    >197509030221240    197509030221240
    >197509030247300    197509030247300
    >197509030316180    197509030316180
    >197509030344060    197509030344060
    >197509030412300    197509030412300
    >197509030439420    197509030439420
    >197509030508420    197509030508420
    >197509030541480    197509030541480
    >197509030608420    197509030608420
    >197509030639300    197509030639300
    >197509030707000    197509030707000
    >197509030738240    197509030738240
    >197509030804480    197509030804480
    >197509030837360    197509030837360
    >197509030905480    197509030905480
    >197509030934300    197509030934300
    >197509031017000    197509031017000
    >197509031059120    197509031059120
    >197509031131300    197509031131300
    >197509031203180    197509031203180
    >197509031233120    197509031233120
    >197509031302060    197509031302060
    >197509031327540    197509031327540
    >197509031405480    197509031405480
    >197509031431540    197509031431540
    >197509031457540    197509031457540
    >197509031525480    197509031525480
    >197509031555060    197509031555060
    >197509031622120    197509031622120
    >197509031648180    197509031648180
    >197509031724060    197509031724060
    >197509031750120    197509031750120
    >197509031824300    197509031824300
    >197509031857240    197509031857240
    >197509031924240    197509031924240
    >197509032018480    197509032018480
    >197509032055240    197509032055240
    >197509032125000    197509032125000
    >197509032150360    197509032150360
    >197509032221000    197509032221000
    >197509032247060    197509032247060
    >197509032312240    197509032312240
    >197509032337420    197509032337420
    >197509040002420    197509040002420
    >197509040030000    197509040030000
    >197509040056540    197509040056540
    >197509040123540    197509040123540
    >197509040149540    197509040149540
    >197509040628540    197509040628540
    >197509040656180    197509040656180
    >197509040723060    197509040723060
    >197509040751420    197509040751420
    >197509040823060    197509040823060
    >197509040852060    197509040852060
    >197509040918300    197509040918300
    >197509041000060    197509041000060
    >197509041026360    197509041026360
    >197509041053420    197509041053420
    >197509041119120    197509041119120
    >197509041211180    197509041211180
    >197509041236240    197509041236240
    >197509041303240    197509041303240
    >197509041332480    197509041332480
    >197509041400060    197509041400060
    >197509041427420    197509041427420
    >197509041455300    197509041455300
    >197509041548540    197509041548540
    >197509041625180    197509041625180
    >197509041705060    197509041705060
    >197509041745000    197509041745000
    >197509041810000    197509041810000
    >197509041837240    197509041837240
    >197509041903180    197509041903180
    >197509041928300    197509041928300
    >197509041953360    197509041953360
    >197509042020120    197509042020120
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST

  Positional_Accuracy:
    Horizontal_Positional_Accuracy:
      Horizontal_Positional_Accuracy_Report: Unspecified

    Vertical_Positional_Accuracy:
      Vertical_Positional_Accuracy_Report: Unspecified

  Lineage:

    Process_Step:
      Process_Description:
        Navigation Data
        >Converted to time format with year at start.
        >
        >02/11/86 KAYE DUA0:[DATA.L275NP.N]L275NP.051;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;5
        >
      Process_Date: 19960119

      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
            Contact_Person: Clint Steele 

          Contact_Position: InfoBank Group Leader 

          Contact_Address:
            Address_Type: mailing and physical address
            Address: USGS, MailStop 999, 345 Middlefield Road
            City: Menlo Park
            State_or_Province: CA
            Postal_Code: 94025-3561
            Country: USA

          Contact_Voice_Telephone: (650) 329-5055
          Contact_Facsimile_Telephone: (650) 329-5190

          Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

    Process_Step:
      Process_Description:
        Magnetics Data
        >06/20/2012 carolyn l-2-75-np.220_051
        >
        >Reprocessed using subroutines from Susan Macmillan's
        >IGRF SYNTHESIS PROGRAM 
        >with IGRF-11 coeffiecients integrated into the source code.
        >/infobank/programs/mag/magred11/magred11.for
        >Using geodetic coordinate system (Earth shape approximated by spheriod)
        >with altitude 0.0 km (for sea level).
        >
        >Input was...
        >10/31/1998  /tiger/l/l275np/mag/l-2-75-np.200_051
        >/bear/programs/edit/automerge/automerge
        >
        >Converted to time format with year at start.
        >
        >02/14/86 CAROLYN DRS$DATA:[L275NP.M]L275NP.200;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;5
        >was L275NP._.MAGSX1 on TAM157
        >was L275NP201.DAT   on VAM157
        >
        >Converted to time format with year at start.
        >
        >02/11/86 KAYE DUA0:[DATA.L275NP.N]L275NP.051;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;5
        >
        >time, lat, long, time(sec) to nearest nav fix, data values
      Process_Date: 20120620

      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
            Contact_Person: Clint Steele 

          Contact_Position: InfoBank Group Leader 

          Contact_Address:
            Address_Type: mailing and physical address
            Address: USGS, MailStop 999, 345 Middlefield Road
            City: Menlo Park
            State_or_Province: CA
            Postal_Code: 94025-3561
            Country: USA

          Contact_Voice_Telephone: (650) 329-5055
          Contact_Facsimile_Telephone: (650) 329-5190

          Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

    Process_Step:
      Process_Description:
        Bathymetry Data
        >10/31/1998  /tiger/l/l275np/bath/l-2-75-np.335_051
        >/bear/programs/edit/automerge/automerge
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >02/14/86 BECKIE DISK$USERDISK:[CLINT.BECKIE]L275NP.335;
        >DRB0:[DRS.BAT]BATRED.EXE;1
        >This file was hand-digetized in 2-way traveltime(secs).
        >It was reduced with no Matthews correction and the
        >velocity of sound assumed was 1500m/sec.
        >
        >02/14/86 BECKIE DISK$USERDISK:[CLINT.BECKIE]L275NP.310;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;5
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >02/11/86 KAYE DUA0:[DATA.L275NP.N]L275NP.051;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;5
        >
        >time, lat, long, time(sec) to nearest nav fix, data values
      Process_Date: 19981031

      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
            Contact_Person: Clint Steele 

          Contact_Position: InfoBank Group Leader 

          Contact_Address:
            Address_Type: mailing and physical address
            Address: USGS, MailStop 999, 345 Middlefield Road
            City: Menlo Park
            State_or_Province: CA
            Postal_Code: 94025-3561
            Country: USA

          Contact_Voice_Telephone: (650) 329-5055
          Contact_Facsimile_Telephone: (650) 329-5190

          Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 


Spatial_Data_Organization_Information:

  Indirect_Spatial_Reference: Gulf of Alaska
  Direct_Spatial_Reference_Method: Point

  Point_and_Vector_Object_Information:
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: Point


Spatial_Reference_Information:

  Horizontal_Coordinate_System_Definition:
    Geographic:
      Latitude_Resolution: 0.00001
      Longitude_Resolution: 0.00001
      Geographic_Coordinate_Units: Decimal degrees

    Geodetic_Model:
      Horizontal_Datum_Name: North American Datum of 1927
      Ellipsoid_Name: Clarke 1866
      Semi-major_Axis: 6378206.4
      Denominator_of_Flattening_Ratio: 294.98

  Vertical_Coordinate_System_Definition:
    Depth_System_Definition:
      Depth_Datum_Name: Local surface
      Depth_Resolution: 0.1
      Depth_Distance_Units: meters
      Depth_Encoding_Method: Attribute values


Entity_and_Attribute_Information:

  Overview_Description:
    Entity_and_Attribute_Overview: Bathymetry with Time Stamp 

  Overview_Description:
    Entity_and_Attribute_Overview: Magnetics with Time Stamp 

  Overview_Description:
    Entity_and_Attribute_Overview: Navigation with Time Stamp 


Distribution_Information:

  Distributor:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Contact_Person: Clint Steele 

      Contact_Position: InfoBank Group Leader 

      Contact_Address:
        Address_Type: mailing and physical address
        Address: USGS, MailStop 999, 345 Middlefield Road
        City: Menlo Park
        State_or_Province: CA
        Postal_Code: 94025-3561
        Country: USA

      Contact_Voice_Telephone: (650) 329-5055
      Contact_Facsimile_Telephone: (650) 329-5190

      Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

  Resource_Description: Downloadable Data L-2-75-NP data set 

  Distribution_Liability:
    Please recognize the U.S. Geological Survey (USGS) as
    the source of this information.

    Physical materials are under controlled on-site access.

    Some USGS information accessed through this means
    may be preliminary in nature and presented without
    the approval of the Director of the USGS.  This
    information is provided with the understanding
    that it is not guaranteed to be correct or complete
    and conclusions drawn from such information are
    the responsibility of the user.

    This information is not intended for navigational
    purposes.

    Any use of trade, firm, or product names is for
    descriptive purposes only and does not imply
    endorsement by the U.S. Government.

  Standard_Order_Process:
    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 0.0

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l275np/html/l-2-75-np.nav.html

    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 0.1

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l275np/html/l-2-75-np.mag.html

    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 0.1

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l275np/html/l-2-75-np.bath.html

    Fees: None


Metadata_Reference_Information:

  Metadata_Date: 20131029

  Metadata_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Contact_Person: Clint Steele 

      Contact_Position: InfoBank Group Leader 

      Contact_Address:
        Address_Type: mailing and physical address
        Address: USGS, MailStop 999, 345 Middlefield Road
        City: Menlo Park
        State_or_Province: CA
        Postal_Code: 94025-3561
        Country: USA

      Contact_Voice_Telephone: (650) 329-5055
      Contact_Facsimile_Telephone: (650) 329-5190

      Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

  Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata 

  Metadata_Standard_Version: FGDC-STD-001-1998 

  Metadata_Time_Convention: universal time
  Metadata_Access_Constraints: none
  Metadata_Use_Constraints: none



      
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Page Last Modified: Tue Oct 29 12:50:49 PDT 2013  (chd)